Improvement in photographers  posing-chairs



v I. 0. SWEET.

Improvement in Photographers Posing-Chaim. No. 127,439. Patented'lun 4,1812..

We'ihesses. [iz van for:

W Jim Ir 0c PH/D so. Al. x (usszmms PROCESS) UNITED STATEs PATENTOEEIoE-.

ISAAC o. SWETT, or BRIGHTON, MASSACHUSETTS.

IMPROVEMENT IN PHOTOGRAPHERS POSlNG-CHAIRS.

Specification describing certain Improvements in PhotographersPosing-Chairs, invented by ISAAC O. SWETT, of Brighton, in the county ofMiddlesex and State of Massachusetts.

Nature and Objects of the Invention.

The first part of my invention relates to the adjustable back and headrest of a chair; and consists in an adjustable clamp and set-screw,

with proper-shaped angle-irons connected to position of the body, or soas to secure a better view of their dress, either the right or left armof the chair may be instantly removed; or, in case desired, both armsmay be in like manner removed or replaced, at pleasure, so as to adaptit to the requirements of each sitter; be they male or female,full-grown or children, the same pleasing results may be secured.

Figure 1 is a perspective view of my inven-. tion with one of the armsremoved. Fig. 2 is a cross-section, showing one corner of seatframe, theback being raised up to the highest point when clamped.

Description of my Invention.

A is the seat of the chair, to each side of which is secured twosockets, B B, in a permanent manner. 0 O are the arms, provided withsupports D D, which fit into the sockets BB and allow the arms to beconnected or disconnected at pleasure.

E E are two angle- Specification forming part of Letters Patent No.127,439, dated J une 4, 1872.

irons, secured in a firm manner to the rear of the seat A. The back G isprovided with a frame, H, which is hinged to the inside of theback-frame, to a cross-piece, I. At or near this cross-piece I commencesa suitable groove. From each of the front inner-corners of the frame ofthe back G into these grooves fits the clamp-frame H, allowingsufficient space at each side for the angle-irons, so that the back maybe raised up or lowered easily. To the bottom of the clamp-frame His acrosspiece, K, into which is secured a nut, L, and

to the bottom of the back-frame G is a crosspiece, M, into which isSecured the hand-screw N, upon the outer end of which is a suitableknob, to be grasped by the hand to tighten or release the gripe orbearing brought against the angle-irons, the ends of which fit into thegroove or opening between the back-frame Gr and the clamp-frame H. Thus,by loosening the hand'screw N, the pressure is released and the back maybe raised or lowered to the point desired, when a turn or two in theopposite direction will bring the clamp-frame toward the back-frame, andthe same is secured firmly in position.

Claims.

